The New York Times:
Like dozens of other brick-and-mortar retailers, Nordstrom wanted to learn more about its customers — how many came through the doors, how many were repeat visitors — the kind of information that e-commerce sites like Amazon have in spades. So last fall the company started testing new technology that allowed it to track customers’ movements by following the Wi-Fi signals from their smartphones.
But when Nordstrom posted a sign telling customers it was tracking them, shoppers were unnerved.
“The creepy thing isn’t the privacy violation, it’s how much they can infer,” said Bradley Voytek, a neuroscientist who had stopped in at Philz Coffee in Berkeley, Calif. Philz uses technology from Euclid Analytics, of Palo Alto, Calif., the company that worked on the Nordstrom experiment, to measure the signals between a smartphone and a Wi-Fi antenna to count how many people walk by a store and how many enter.
Still, physical retailers argue that they are doing nothing more than what is routinely done online.
Read the whole story at: The New York Times
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